448 CLVi. CYPERACEJS (clarke). [Scirpu8» 



stem terete, leaves usually . . . 15. S. lacustris. 



Stem trigonous; very leafy species. 



Umbel of 3-40 dark or dusky spikelets . 17. • S. maritimus. 

 Umbel of 200 pale bright brown spikelets 18. S. Icetejlorens. 

 Hypogynous bristles plumose; leaves hardly 



any ....... 19. S. littoj-alis. 



****MiCHELiANi. — Small, leafy plants. Stem without nodes between the base 

 and small head. Spikelets small, numerous, densely and minutely stellate. Hypo- 

 gynous bristles 0. Style linear ; branches long. (In characters, this group differs 

 little from subgenus Isolepis ; but, from their habit, they are mixed with Kyllinga, 

 Mariscus, and Lipocarphay by Cyperologists as well as by collectors). 

 Spikelets minute, fused into 1 head; points of 



glumes straight ...... 20. S. Jcyllingioides. 



Spikelets rather larger, capitate ; points of glumes 



subrecurved ...... 21. S. Steudneri. 



*«#«#]yiiCEOSTYLi, — Small or slender annuals. Stem without nodes between the 

 base and the small head of few spikelets. Hypogynous bristles 0. Style hardly 

 :a.Dy, caducous ; stigmas very small, recurved. 



Style 3-fid. Spikelets squarrose, from the recurved 

 points of the glumes. 

 Nut linear-oblong ...... 22. S. Lugardi. 



Nut obovoid. 



Awns about as long as the glumes; nut 



obscure reticulate .... 23. S. squarrosus. 



Awns longer than the glumes; nufe prominently 



reticulate 24. S. Systrix. 



Style 2-fid. Spikelets terete, not or obscurely 

 squarrose. 

 Spikelet 1 to the stem; glumes not acumi- 

 nate 25. S. Isolepis. 



Spikelets 3-1 to the stem; glumes shortly 



acuminate ...... 26. S. micranthus. 



1. S. spadiceus, Boeck. in Linncea, xxxvi. 493, not of Linn. 

 Glabrous. Roots, fibrous, or rhizome hardly any. Stems tufted, 

 8-12 in. long, slender, bearing 1 spikelet. Leaves few, J as long as the 

 stem, setaceous. Spikelet J-J by i-J in. cylindric, dense, obtuse at the 

 top and bottom, a full rich dark red-brown ; , bract 1, setaceous, ^-\ in. 

 long. Glumes round-ovate, concave, scarious, rich-brown, hardly 

 keeled or striate, very persistent after the nut has fallen. Hypogynous 

 bristles 0. Style 2-fid. Nut scarcely J the length of the glume, obovoid, 

 compressed, smooth, chestnut-black. — Benth. et Hook. f. Gen. PI. iii. 

 1050 ; C. B. Clarke in Durand & Schinz, Conspect. Fl. Afr. v. 630 ; 

 Urban, Symb. Antill. ii. 90. Eriocaulon spadiceum, Lam. 111. i. 214. 

 Nemum spadiceum, Desveaux ex W. Hamilt. Prod. Ind. Occ. 13 ; 

 Kunth, Enum. ii. 220. 



Upper Crulnea. Sierra Leone : Regent, Scott-Elliot, 4034 ! and without pre- 

 cise locality, Afzelius ! Smeathmann (ex Lamarck), Morson ! 

 Also in Hayti. 



2. S. angolensis, C. B. Clarke in Durand <k Schinz, Conspeet. Fl. 

 Afr. v. 617. Glabrous, except the glumes. Stem 8-12 in. long, 

 slender, with 1 sessile and often 2 peduncled spikelets. Leaves J the 

 length of the stem, setaceous. Spikelets J in. long, ovoid, bright 



